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Cheap flights from St Louis (STL) to Calcutta (CCU)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)

How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
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Cheap flights from St Louis to Calcutta in August , September 2026

30 Aug - 28 Sep $ 1,432.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
2 STOPS
STL
St Louis
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30 Aug - 21 Sep $ 1,432.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
2 STOPS
STL
St Louis
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30 Aug - 14 Sep $ 1,432.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Calcutta

23 Aug - 02 Sep $ 1,582.00
STL
St Louis
Frontier Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
STL
St Louis
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26 Aug - 31 Aug $ 1,703.00
STL
St Louis
Alaska Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Alaska Airlines
3 STOPS
STL
St Louis
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23 Aug - 31 Aug $ 1,814.00
STL
St Louis
Alaska Airlines
3 STOPS
CCU
Calcutta
CCU
Calcutta
Alaska Airlines
3 STOPS
STL
St Louis
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One-way flights to Calcutta from St Louis

5:27 PM - 6:55 AM
Air India Limited
3 Stops
29h 48m
STL - CCU
$ 780
Kiwi
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12:27 PM - 2:30 AM
Air India Limited
2 Stops
29h 53m
STL - CCU
$ 1,000
Kiwi
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12:27 PM - 6:15 AM
Air India Limited
2 Stops
33h 38m
STL - CCU
$ 1,000
Kiwi
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)

Related info for your journey
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How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.